<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<link rel="stylesheet" type="text/css" href="../css/bootstrap.min.css"/>
		<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
	</head>
	<body>
		<div class="container">
			<nav class="sticky-top bg-info p-4 mb-3">
				导航栏固定顶部
			</nav>
			<div class="bg-secondary">
				<!-- p.p-5{段落}*8 -->
				<p class="p-5">段落</p>
				<p class="p-5">段落</p>
				<p class="p-5">段落</p>
				<p class="p-5">段落</p>
				<p class="p-5">段落</p>
				<p class="p-5">段落</p>
				<p class="p-5">段落</p>
				<p class="p-5">段落</p>
			</div>
		</div>
	</body>
</html>
